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Commit 66ec4ce2 authored by lifr's avatar lifr Committed by Frank Li
Browse files

Add one field (sampling_rate_denom) in NetworkDnsEventReported 

The sample rate of DNS stats(to statsd) is 1/sampling_rate_denom.

Bug: 133111380
Test: ./out/host/linux-x86/bin/statsd_testdrive 116
Change-Id: Ibb8edd6b0dfc14b55c7c1b8d84877297516fb55c
parent c7649d11

DnsProxyListener.cpp

+5 −5
Original line number Diff line number Diff line
@@ -311,11 +311,11 @@ void reportDnsEvent(int eventType, const android_net_context& netContext, int la 
    const std::string& dnsQueryStats = event.dns_query_events().SerializeAsString();

    stats::BytesField dnsQueryBytesField{dnsQueryStats.c_str(), dnsQueryStats.size()};

    event.set_return_code(static_cast<ReturnCode>(returnCode));

    android::net::stats::stats_write(android::net::stats::NETWORK_DNS_EVENT_REPORTED,

                                     event.event_type(), event.return_code(),

                                     event.latency_micros(), event.hints_ai_flags(),

                                     event.res_nsend_flags(), event.network_type(),

                                     event.private_dns_modes(), dnsQueryBytesField);

    android::net::stats::stats_write(

            android::net::stats::NETWORK_DNS_EVENT_REPORTED, event.event_type(),

            event.return_code(), event.latency_micros(), event.hints_ai_flags(),

            event.res_nsend_flags(), event.network_type(), event.private_dns_modes(),

            dnsQueryBytesField, event.sampling_rate_denom());



    const auto& listeners = ResolverEventReporter::getInstance().getListeners();

    if (listeners.size() == 0) {

stats.proto

+3 −0
Original line number Diff line number Diff line
@@ -249,4 +249,7 @@ message NetworkDnsEventReported { 
    // Additional pass-through fields opaque to statsd.

    // The DNS resolver Mainline module can add new fields here without requiring an OS update.

    optional DnsQueryEvents dns_query_events = 8;



    // The sample rate of DNS stats (to statsd) is 1/sampling_rate_denom.

    optional int32 sampling_rate_denom = 9;

}